+ astar project

1 files changed, 75 insertions, 0 deletions

diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Navmesh/NavmeshClipper.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Navmesh/NavmeshClipper.cs
new file mode 100644
index 0000000..3dc0cca
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Navmesh/NavmeshClipper.cs
@@ -0,0 +1,75 @@
+namespace Pathfinding {
+	using Pathfinding.Util;
+	using Pathfinding.Graphs.Util;
+	using UnityEngine;
+	using System.Collections.Generic;
+
+	/// <summary>Base class for the NavmeshCut and NavmeshAdd components</summary>
+	[ExecuteAlways]
+	public abstract class NavmeshClipper : VersionedMonoBehaviour {
+		/// <summary>Called every time a NavmeshCut/NavmeshAdd component is enabled.</summary>
+		static System.Action<NavmeshClipper> OnEnableCallback;
+
+		/// <summary>Called every time a NavmeshCut/NavmeshAdd component is disabled.</summary>
+		static System.Action<NavmeshClipper> OnDisableCallback;
+
+		static readonly List<NavmeshClipper> all = new List<NavmeshClipper>();
+		int listIndex = -1;
+
+		/// <summary>
+		/// Which graphs that are affected by this component.
+		///
+		/// You can use this to make a graph ignore a particular navmesh cut altogether.
+		///
+		/// Note that navmesh cuts can only affect navmesh/recast graphs.
+		///
+		/// If you change this field during runtime you must disable the component and enable it again for the changes to be detected.
+		///
+		/// See: <see cref="NavmeshBase.enableNavmeshCutting"/>
+		/// </summary>
+		public GraphMask graphMask = GraphMask.everything;
+
+		public static void AddEnableCallback (System.Action<NavmeshClipper> onEnable,  System.Action<NavmeshClipper> onDisable) {
+			OnEnableCallback += onEnable;
+			OnDisableCallback += onDisable;
+		}
+
+		public static void RemoveEnableCallback (System.Action<NavmeshClipper> onEnable,  System.Action<NavmeshClipper> onDisable) {
+			OnEnableCallback -= onEnable;
+			OnDisableCallback -= onDisable;
+		}
+
+		/// <summary>
+		/// All navmesh clipper components in the scene.
+		/// Not ordered in any particular way.
+		/// Warning: Do not modify this list
+		/// </summary>
+		public static List<NavmeshClipper> allEnabled { get { return all; } }
+
+		protected virtual void OnEnable () {
+			if (!Application.isPlaying) return;
+
+			if (OnEnableCallback != null) OnEnableCallback(this);
+			listIndex = all.Count;
+			all.Add(this);
+		}
+
+		protected virtual void OnDisable () {
+			if (!Application.isPlaying) return;
+
+			// Efficient removal (the list doesn't need to be ordered).
+			// Move the last item in the list to the slot occupied by this item
+			// and then remove the last slot.
+			all[listIndex] = all[all.Count-1];
+			all[listIndex].listIndex = listIndex;
+			all.RemoveAt(all.Count-1);
+			listIndex = -1;
+			if (OnDisableCallback != null) OnDisableCallback(this);
+		}
+
+		internal abstract void NotifyUpdated(GridLookup<NavmeshClipper>.Root previousState);
+		public abstract Rect GetBounds(GraphTransform transform, float radiusMargin);
+		public abstract bool RequiresUpdate(GridLookup<NavmeshClipper>.Root previousState);
+		public abstract void ForceUpdate();
+	}
+}